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Broiler chicken weight gain is a result of genetics and nutrition, with increased muscle mass attributed to accelerated embryonic myogenesis and posthatch muscle growth. During the avian incubation period, in ovo injection may be used as a strategy to…
Beta-adrenergic agonists (β-AAs) are supplemented to pigs and cattle to improve growth performance, carcass weight, and loin muscle area. Little is known about the mechanism taking place within individual cells by which β-AAs achieve this outcome.
The largest tissue in the body, skeletal muscle, is a heterogeneous mix of fibers that are categorized based on their primary source of energy production and speed of contraction. Evidence suggests that Thoroughbred horses with a greater percentage of…
Heat stress (HS) and Zearalenone (ZEN), a toxic feed contaminant, affect growth, production efficiency, and animal welfare, and can cause death. As HS and ZEN independently increase oxidative stress, an imbalance of free radical production and clearance,…
One of the longest standing regional projects, the NC1184 group consists of 26 member agriculture experiment stations with a rich history of benchtop discovery in muscle biology with translation to the meat and livestock production sectors.
Skeletal muscle is a heterogenous population of cells that are classified into muscle types based on contractile speed and metabolism. The various types of muscle cells utilize different biochemical pathways to produce energy to support cellular functions.
Satellite cells are the resident stem cells found within skeletal muscle. Following strenuous exercise, the cells become mitotically active to supply progenitors for muscle repair. The signals responsible for their exit from the dormant state are largely…
Turkey breast muscle growth and development are sensitive to temperatures immediately after hatch due to an immature thermoregulatory system. Meat yield or quality problems may arise from external thermal stress during this period.
Skeletal muscle growth is largely dependent on the proliferation and differentiation of muscle-specific stem cells known as satellite cells (SC). Previous work has shown that dietary inclusion of the vitamin D3 metabolite, 25-hydroxycholecalciferol…
The American Society of Animal Science is a membership society that supports the careers of scientists and animal producers in the United States and internationally. ASAS is a 501c3 Professional Membership Organization.
For over 100 years, ASAS broadened membership to more than 5000 members. We’ve developed diverse and dynamic membership programs, and fostered the growth of the premier journal in animal science and the premier animal science meetings.
About ASASMembership is open to individuals, organizations, or firms interested in research and application, instruction, or extension in animal science or associated with the production, processing, marketing, or distribution of livestock and livestock products.
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